diff --git a/source/MPF/12.0/Microsoft.VisualStudio.Project.csproj b/source/MPF/12.0/Microsoft.VisualStudio.Project.csproj
deleted file mode 100644
index 330d77d76..000000000
--- a/source/MPF/12.0/Microsoft.VisualStudio.Project.csproj
+++ /dev/null
@@ -1,156 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <SchemaVersion>2.0</SchemaVersion>
-    <ProjectGuid>{CACB60A9-1E76-4F92-8831-B134A658C695}</ProjectGuid>
-    <OutputType>Library</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>Microsoft.VisualStudio.Project</RootNamespace>
-    <AssemblyName>Microsoft.VisualStudio.Project</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-    <SignAssembly>true</SignAssembly>
-    <AssemblyOriginatorKeyFile>..\..\..\Cosmos.snk</AssemblyOriginatorKeyFile>
-    <AllowedAssemblyPrefix>$(AllowedAssemblyPrefix);Microsoft.Internal</AllowedAssemblyPrefix>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <RunCodeAnalysis>true</RunCodeAnalysis>
-    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <ItemGroup>
-    <Compile Include="AssemblyReferenceNode.cs" />
-    <Compile Include="Attributes.cs" />
-    <Compile Include="Automation\AutomationScope.cs" />
-    <Compile Include="Automation\OAFileItem.cs" />
-    <Compile Include="Automation\OAFolderItem.cs" />
-    <Compile Include="Automation\OANavigableProjectItems.cs" />
-    <Compile Include="Automation\OANestedProjectItem.cs" />
-    <Compile Include="Automation\OANullProperty.cs" />
-    <Compile Include="Automation\OAProject.cs" />
-    <Compile Include="Automation\OAProjectItem.cs" />
-    <Compile Include="Automation\OAProjectItems.cs" />
-    <Compile Include="Automation\OAProperties.cs" />
-    <Compile Include="Automation\OAProperty.cs" />
-    <Compile Include="Automation\OAReferenceFolderItem.cs" />
-    <Compile Include="Automation\OAReferenceItem.cs" />
-    <Compile Include="Automation\OASolutionFolder.cs" />
-    <Compile Include="Automation\VSProject\OAAssemblyReference.cs" />
-    <Compile Include="Automation\VSProject\OABuildManager.cs" />
-    <Compile Include="Automation\VSProject\OAComReference.cs" />
-    <Compile Include="Automation\VSProject\OAProjectReference.cs" />
-    <Compile Include="Automation\VSProject\OAReferenceBase.cs" />
-    <Compile Include="Automation\VSProject\OAReferences.cs" />
-    <Compile Include="Automation\VSProject\OAVSProject.cs" />
-    <Compile Include="Automation\VSProject\OAVSProjectItem.cs" />
-    <Compile Include="BuildDependency.cs" />
-    <Compile Include="BuildPropertyPage.cs" />
-    <Compile Include="ComReferenceNode.cs" />
-    <Compile Include="ConfigProvider.cs" />
-    <Compile Include="ConfigurationProperties.cs" />
-    <Compile Include="DataObject.cs" />
-    <Compile Include="DependentFileNode.cs" />
-    <Compile Include="DesignPropertyDescriptor.cs" />
-    <Compile Include="DesignTimeAssemblyResolution.cs" />
-    <Compile Include="DocumentManager.cs" />
-    <Compile Include="EnumDependencies.cs" />
-    <Compile Include="FileChangeManager.cs" />
-    <Compile Include="FileDocumentManager.cs" />
-    <Compile Include="FileNode.cs" />
-    <Compile Include="FolderNode.cs" />
-    <Compile Include="GlobalSuppressions.cs" />
-    <Compile Include="HierarchyNode.cs" />
-    <Compile Include="IDEBuildLogger.cs" />
-    <Compile Include="ImageHandler.cs" />
-    <Compile Include="Interfaces.cs" />
-    <Compile Include="LocalizableProperties.cs" />
-    <Compile Include="UIThread.cs" />
-    <Compile Include="VisualStudio.Project.cs" />
-    <Compile Include="Misc\ConnectionPointContainer.cs" />
-    <Compile Include="Misc\ExternDll.cs" />
-    <Compile Include="Misc\NativeMethods.cs" />
-    <Compile Include="Misc\UnsafeNativeMethods.cs" />
-    <Compile Include="NestedProjectBuildDependency.cs" />
-    <Compile Include="NestedProjectNode.cs" />
-    <Compile Include="NodeProperties.cs" />
-    <Compile Include="OleServiceProvider.cs" />
-    <Compile Include="Output.cs" />
-    <Compile Include="OutputGroup.cs" />
-    <Compile Include="ProjectConfig.cs" />
-    <Compile Include="ProjectContainerNode.cs" />
-    <Compile Include="ProjectDesignerDocumentManager.cs" />
-    <Compile Include="ProjectDocumentsListener.cs" />
-    <Compile Include="ProjectElement.cs" />
-    <Compile Include="ProjectFactory.cs" />
-    <Compile Include="ProjectFileConstants.cs" />
-    <Compile Include="ProjectNode.CopyPaste.cs" />
-    <Compile Include="ProjectNode.cs" />
-    <Compile Include="ProjectNode.Events.cs" />
-    <Compile Include="ProjectOptions.cs" />
-    <Compile Include="ProjectPackage.cs" />
-    <Compile Include="ProjectReferenceNode.cs" />
-    <Compile Include="PropertiesEditorLauncher.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="ReferenceContainerNode.cs" />
-    <Compile Include="ReferenceNode.cs" />
-    <Compile Include="RegisteredProjectType.cs" />
-    <Compile Include="SelectionListener.cs" />
-    <Compile Include="SettingsPage.cs" />
-    <Compile Include="SingleFileGenerator.cs" />
-    <Compile Include="SingleFileGeneratorFactory.cs" />
-    <Compile Include="SolutionListener.cs" />
-    <Compile Include="SolutionListenerForBuildDependencyUpdate.cs" />
-    <Compile Include="SolutionListenerForProjectEvents.cs" />
-    <Compile Include="SolutionListenerForProjectOpen.cs" />
-    <Compile Include="SolutionListenerForProjectReferenceUpdate.cs" />
-    <Compile Include="StructuresEnums.cs" />
-    <Compile Include="SuspendFileChanges.cs" />
-    <Compile Include="TokenProcessor.cs" />
-    <Compile Include="Tracing.cs" />
-    <Compile Include="TrackDocumentsHelper.cs" />
-    <Compile Include="TypeConverters.cs" />
-    <Compile Include="UpdateSolutionEventsListener.cs" />
-    <Compile Include="Utilities.cs" />
-    <Compile Include="VsCommands.cs" />
-    <Compile Include="VSShellUtilities.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="Diagrams\AutomationClasses.cd" />
-    <None Include="Diagrams\ConfigurationClasses.cd" />
-    <None Include="Diagrams\DocumentManagerClasses.cd" />
-    <None Include="Diagrams\HierarchyClasses.cd" />
-    <None Include="Diagrams\PropertiesClasses.cd" />
-    <None Include="Diagrams\ReferenceClasses.cd" />
-  </ItemGroup>
-  <ItemGroup>
-    <EmbeddedResource Include="VisualStudio.Project.resx">
-      <LogicalName>Microsoft.VisualStudio.Project.resources</LogicalName>
-      <SubType>Designer</SubType>
-    </EmbeddedResource>
-    <EmbeddedResource Include="Resources\imagelis.bmp" />
-  </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
-</Project>